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VULNERABILITIES

CVE-2026-8328 Details

Description

The ftpcp() function in Lib/ftplib.py was not updated when CVE-2021-4189 was fixed. While makepasv() was patched to replace server-supplied PASV host addresses with the actual peer address (getpeername()[0]), ftpcp() still calls parse227() directly and passes the raw attacker-controllable IP address and port to target.sendport(). This patch is related to CVE-2021-4189.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/python/cpython/commit/2bbcf3fb7a420a05605576c0f9468d4675381b5f [email protected]
https://github.com/python/cpython/commit/5dadc64673ce875ebfb24163907777dae0f6ca06 [email protected]
https://github.com/python/cpython/commit/7d95a1dc7382b55cba7fdd6a110336077584a4f0 [email protected]
https://github.com/python/cpython/commit/bb3446dda6c49b32e67c11dbbbf221b40be00763 [email protected]
https://github.com/python/cpython/commit/c88704431ea3248ca769384c13856330976fac1d [email protected]

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-918Server-Side Request Forgery (SSRF)[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-8328
NVD Published Date:
May 13, 2026
NVD Last Modified:
Aug 13, 2026
Source:
[email protected]
CVE-2026-8328 Details - Not Deferred